1.

When a system is taken from state A to state B along the path ACB, 80 k cal of heat flows into the system and 30 k cal of work is done. How much heat flows into the system along path ADB if the work done is 10 k cal ?

Answer»

Solution :`dw_(ADB)=+10kcal `
INTERNAL ENERGY is path independent
`du_(ADB)=du_(ADB)=50 K cal `
`dQ_(ADB)=50+10=60 k cal `


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